2 1/8 in. (2.125) Clear Lexan Precision Balls

Lexan is the brand name for polycarbonate sheet and resin in a extensive range of grades. Applications are mostly in three domains - building, manufacturing, communication, and signage. Common usages include space, sports helmets, clear high-performance windshields, aircraft canopies, and bullet-resistant windows.

Polycarbonate polymer is formed by reacting bisphenol A with phosgene.